Home / 1,317,907.13-1,977,164.10-559,772.64

Finding the Fourth Proportional to 1,317,907.13, 1,977,164.10 and 559,772.64

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Solution

The fourth proportional to 1,317,907.13, 1,977,164.10 and 559,772.64 is: 839,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,907.13 : 1,977,164.10 = 559,772.64 : x
  2. Step 2: Convert to fraction form
    1,317,907.13/1,977,164.10 = 559,772.64/x
  3. Step 3: Cross multiply
    1,317,907.13x = 1,977,164.10 × 559,772.64
  4. Step 4: Simplify right side
    1,317,907.13x = 1,106,762,367,970.22
  5. Step 5: Solve for x
    x = 1,106,762,367,970.22/1,317,907.13
  6. Step 6: Final answer
    x = 839,787.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.